ArticleBMC plant biology2025
Responses of biomass and non-structural carbohydrates to soil moisture gradient of two Carex species in an alpine meadow in Southeast Qinghai-Xizang Plateau.
Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Centroid Migration and Distribution of Dominant Species in Different Grassland Types Revealing Climate Change Responses on the Qinghai-Tibet Plateau.Plants (Basel, Switzerland) · 2026Article
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Abstract
backgroundChanges in soil moisture content affect the variations in biomass and non-structural carbohydrates (NSC) in plants; different species may have different response strategies. In the alpine meadow of Dongda Mountain in Southeast Qinghai-Xizang Plateau, five quadrats were set up respectively along the soil moisture gradient which evolved from the drought habitat near the alpine screes to the wet habitat in the ravine. According to the natural distribution pattern of the two Carex populations, C. parvula and C. alatauensis are co-dominant species in this region.
resultsRoot biomass constituted the greatest proportion of total biomass of two Carex species. The root biomass of C. alatauensis, stem biomass of C. parvula and leaf, above-ground, below-ground and whole plant biomass of two species all increased with the increase of soil moisture content (P < 0.05). The NSC, soluble sugar (SS) and starch concentrations in roots of C. parvula all increased with the increase of soil moisture content (P < 0.05), but those in roots of C. alatauensis reached an optimum, and then declined with the increase of soil moisture content (P < 0.05). The NSC and SS concentrations in stems and leaves of C. parvula reached an optimum, and then declined with the increase of soil moisture content respectively (P < 0.01), but those of C. alatauensis declined first, and then increased with the increase of soil moisture content (P < 0.05). The dry matter (DM) allocation of NSC in leaves of both species was the lowest, and the DM
conclusionsThe SS concentration and DM
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